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The story

The story starts from here, in Singapore

Located just one-and-a-half degrees north of the equator, Singapore endures summer-like conditions all year. Temperatures frequently soar above 33 °C, occasionally hitting 35 °C, making the tropical climate particularly stifling. Such intense heat presents challenges for daily activities and heightens the risk of heat stroke, especially for those spending significant time outdoors. Consequently, air conditioners are not just a comfort but a necessity in Singapore’s persistently hot and humid environment.

As Singapore relies on imports for approximately 95% of its energy, the per capita energy consumption has climbed to 8,745 kWh as of 2020. Surprisingly, space cooling accounts for nearly 25% of this consumption. The efficiency of air conditioners available today ranges from a mere 15% to 25%. Shockingly, around 80% of the energy is wasted in cooling the air and surrounding environment, while only 20% is utilized to cool the individuals inside. This immense energy wastage is alarming.


Being a company rooted in Singapore, we were born to tackle the challenges posed by hot weather and energy scarcity. Imagine having a personalized wearable air conditioner exclusively dedicated to your comfort.

Drawing inspiration from heatstroke therapy, we discovered that human blood serves as the most effective medium for distributing coolness throughout the body. Through extensive research, we identified the radial artery and dorsal hand vein as the safest spots for efficient cooling. This realization propelled us in the right direction.

After years of dedicated effort, we are thrilled to present the personal air conditioner, designed to rescue your summer while conserving energy.

The real story

Silent Cicada Personal Air Conditioner helps to cut the electricity bills.

On a typical humid summer evening in Singapore, our family gathered in an air-conditioned room after dinner. Despite the cool air, my daughter uncomfortably sweated, while my mother, wrapped in a shawl, complained about the chill. As my wife entered, presenting the electricity bill, her look of frustration echoed our concerns about the high power consumption. This recurring family dilemma made it clear: we needed a sustainable solution for personalized comfort, one that wouldn't lead to excessive energy use.

Imagine having multiple small air conditioners in our house, tailored to each family member's preferences, eliminating arguments about the temperature setting. Moreover, these compact units should consume significantly less power than traditional air conditioners, making my wife happier when it's time to pay the bill. That's when the idea of a watch-sized, lithium-battery-powered personal air conditioner struck me.

Drawing inspiration from heatstroke therapy, we discovered that a simple cooling pad could effectively cool the human body as blood circulates throughout. Harnessing this concept, our personal air conditioner achieves remarkable cooling performance while requiring minimal energy.

After years of dedicated effort, we proudly present our revolutionary personal air conditioner. It consumes less than 1% of the energy used by conventional air conditioners, effectively resolving our family's cooling challenges while significantly reducing our expenses. It's a win-win solution for all.

The pains

In our daily lives, there are many pain points waiting for us to overcome, such as

  • Personal preference: People have different temperature preferences and what feels comfortable to one person may feel different with another person. People with a higher metabolic rate may feel hotter than those with a lower metabolic rate. The direction and strength of airflow from the air conditioner can affect how people feel. Even in the same air-conditioned office, we may feel different. 

  • Heat discomfort: When the weather is hot, people may experience discomfort such as sweating, dehydration, or even heat exhaustion. 

  • Overheating during physical activity: People who engage in physical activity such as exercising or outdoor sports may overheat due to increased body heat production. 

  • Hot flashes: Some people experience hot flashes, particularly during menopause. 

  • Working in a hot environment: People who work in hot environments such as confined maintenance room, construction sites or kitchens may experience discomfort and fatigue due to the heat. 

  • Medical conditions: Certain medical conditions such as multiple sclerosis, Parkinson's disease, or certain medications can increase the risk of overheating or heat-related illnesses. 

If you happen to face one of these difficulties, you should definitely consider our wearable, lightweight, and low power consumption PERSONAL Air Conditioner!

Silent Cicada Personal Air Conditioner could help office workers

Office workers

Silent Cicada Personal Air Conditioner could help medical patients

Medical patients

Silent Cicada Personal Air Conditioner could help sports players.

Sports players

Silent Cicada Personal Air Conditioner could help outdoor workers

Outdoor workers

Silent Cicada Personal Air Conditioner could help commuters.


Silent Cicada Personal Air Conditioner could help deliverymen.


Silent Cicada Personal Air Conditioner could help fitness enthusiasts

Fitness enthusiasts

Silent Cicada Personal Air Conditioner could help photographers.


Silent Cicada Personal Air Conditioner could help confined space workers.

Confined space workers

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